Air quality controller



FIG. 1 is a bottom, front and right side perspective view of an airquality controller according to our new design;

FIG. 2 is a top, rear and left side perspective view of the air qualitycontroller of FIG. 1.

FIG. 3 is a front elevational view of the air quality controller of FIG.1

FIG. 4 is a rear elevational view of the air quality controller of FIG.1;

FIG. 5 is a left side view of the air quality controller of FIG. 1;

FIG. 6 is a right side view of the air quality controller of FIG. 1;

FIG. 7 is a top plan view of the air quality controller of FIG. 1; and,

FIG. 8 is a bottom plan view of the air quality controller of FIG. 1.

The broken lines depict portions of the air quality controller in whichthe design is embodied that form no part of the claimed design.

CLAIM We claim the ornamental design for an air quality controller, asshown and described.